The same issue occurs with the node-ca DaemonSet from openshift-image-registry namespace.
After tainting any node, the node-ca DaemonSet doesn't expect anymore the pod to run on that node. After redeploying of the DaemonSet, the pod doesn't get deployed on the tainted node.

Version: 4.2.9

Going to fix this in 4.4, will have a PR ready soon and attempt a backport for 4.3

Do we need a seperate BZ for the node-ca issue?

@Marcel, yes, please open a new BZ for that so that that group can get working on it. This BZ fix will only cover the openshift-machine-config-operator namespace.

It looks like the universal toleration that was referenced as working was removed from the `dns-default` DaemonSet in 4.2.13.

https://github.com/openshift/cluster-dns-operator/commit/6be3d017118b89203f00b9a915ffdfdb9975f145#diff-042823b431ba4ecede455c65596f6b52

I don't want to muddy this BZ since these would be for different components, but it does seem to be a larger problem with the cluster & system DaemonSets when tainting nodes should be something a customer can easily do without potentially breaking some of our core functionality (i.e. DNS, node-ca, MCD, etc.).

I'm using the following workaround for MCD, but I'm not sure if this may cause issues or if it'll be overwritten by operator updates:

$ oc -n openshift-machine-config-operator patch ds machine-config-daemon --type='merge' -p "$(cat <<- EOF
spec:
  template:
    spec:
      tolerations:
      - operator: "Exists"
EOF
)"

Well and the DNS Operator is actually watching the dns-default DaemonSet. So my workaround for the other two (Node CA and Machine Config Operator) doesn't work here because it gets immediately reverted.

There are issue with OCS nodes as well, those nodes have taint like:

    taints:
    - effect: NoSchedule
      key: node.ocs.openshift.io/storage
      value: "true"

of cause problem the same, lack of  universal Toleration for mco daemons

*** Bug 1836871 has been marked as a duplicate of this bug. ***

*** Bug 1843347 has been marked as a duplicate of this bug. ***

Verified on 4.6.0-0.nightly-2020-06-24-071932, MCD Daemonsets tolerates all taints and does not get evicted.

$ oc get clusterversion
NAME      VERSION                             AVAILABLE   PROGRESSING   SINCE   STATUS
version   4.6.0-0.nightly-2020-06-24-071932   True        False         138m    Cluster version is 4.6.0-0.nightly-2020-06-24-071932
$ oc -n openshift-machine-config-operator get ds machine-config-daemon -o yaml
apiVersion: apps/v1
kind: DaemonSet
metadata:
  annotations:
    deprecated.daemonset.template.generation: "1"
  creationTimestamp: "2020-06-24T12:25:58Z"
  generation: 1
  managedFields:
  - apiVersion: apps/v1
    fieldsType: FieldsV1
    fieldsV1:
      f:metadata:
        f:annotations:
          .: {}
          f:deprecated.daemonset.template.generation: {}
      f:spec:
        f:revisionHistoryLimit: {}
        f:selector:
          f:matchLabels:
            .: {}
            f:k8s-app: {}
        f:template:
          f:metadata:
            f:labels:
              .: {}
              f:k8s-app: {}
            f:name: {}
          f:spec:
            f:containers:
              k:{"name":"machine-config-daemon"}:
                .: {}
                f:args: {}
                f:command: {}
                f:env:
                  .: {}
                  k:{"name":"NODE_NAME"}:
                    .: {}
                    f:name: {}
                    f:valueFrom:
                      .: {}
                      f:fieldRef:
                        .: {}
                        f:apiVersion: {}
                        f:fieldPath: {}
                f:image: {}
                f:imagePullPolicy: {}
                f:name: {}
                f:resources:
                  .: {}
                  f:requests:
                    .: {}
                    f:cpu: {}
                    f:memory: {}
                f:securityContext:
                  .: {}
                  f:privileged: {}
                f:terminationMessagePath: {}
                f:terminationMessagePolicy: {}
                f:volumeMounts:
                  .: {}
                  k:{"mountPath":"/rootfs"}:
                    .: {}
                    f:mountPath: {}
                    f:name: {}
              k:{"name":"oauth-proxy"}:
                .: {}
                f:args: {}
                f:image: {}
                f:imagePullPolicy: {}
                f:name: {}
                f:ports:
                  .: {}
                  k:{"containerPort":9001,"protocol":"TCP"}:
                    .: {}
                    f:containerPort: {}
                    f:hostPort: {}
                    f:name: {}
                    f:protocol: {}
                f:resources:
                  .: {}
                  f:requests:
                    .: {}
                    f:cpu: {}
                    f:memory: {}
                f:terminationMessagePath: {}
                f:terminationMessagePolicy: {}
                f:volumeMounts:
                  .: {}
                  k:{"mountPath":"/etc/tls/cookie-secret"}:
                    .: {}
                    f:mountPath: {}
                    f:name: {}
                  k:{"mountPath":"/etc/tls/private"}:
                    .: {}
                    f:mountPath: {}
                    f:name: {}
            f:dnsPolicy: {}
            f:hostNetwork: {}
            f:hostPID: {}
            f:nodeSelector:
              .: {}
              f:kubernetes.io/os: {}
            f:priorityClassName: {}
            f:restartPolicy: {}
            f:schedulerName: {}
            f:securityContext: {}
            f:serviceAccount: {}
            f:serviceAccountName: {}
            f:terminationGracePeriodSeconds: {}
            f:tolerations: {}
            f:volumes:
              .: {}
              k:{"name":"cookie-secret"}:
                .: {}
                f:name: {}
                f:secret:
                  .: {}
                  f:defaultMode: {}
                  f:secretName: {}
              k:{"name":"proxy-tls"}:
                .: {}
                f:name: {}
                f:secret:
                  .: {}
                  f:defaultMode: {}
                  f:secretName: {}
              k:{"name":"rootfs"}:
                .: {}
                f:hostPath:
                  .: {}
                  f:path: {}
                  f:type: {}
                f:name: {}
        f:updateStrategy:
          f:rollingUpdate:
            .: {}
            f:maxUnavailable: {}
          f:type: {}
    manager: machine-config-operator
    operation: Update
    time: "2020-06-24T12:25:58Z"
  - apiVersion: apps/v1
    fieldsType: FieldsV1
    fieldsV1:
      f:status:
        f:currentNumberScheduled: {}
        f:desiredNumberScheduled: {}
        f:numberAvailable: {}
        f:numberReady: {}
        f:observedGeneration: {}
        f:updatedNumberScheduled: {}
    manager: kube-controller-manager
    operation: Update
    time: "2020-06-24T13:59:25Z"
  name: machine-config-daemon
  namespace: openshift-machine-config-operator
  resourceVersion: "73508"
  selfLink: /apis/apps/v1/namespaces/openshift-machine-config-operator/daemonsets/machine-config-daemon
  uid: 43e22aff-eec5-4457-b308-83f1839877b9
spec:
  revisionHistoryLimit: 10
  selector:
    matchLabels:
      k8s-app: machine-config-daemon
  template:
    metadata:
      creationTimestamp: null
      labels:
        k8s-app: machine-config-daemon
      name: machine-config-daemon
    spec:
      containers:
      - args:
        - start
        command:
        - /usr/bin/machine-config-daemon
        env:
        - name: NODE_NAME
          valueFrom:
            fieldRef:
              apiVersion: v1
              fieldPath: spec.nodeName
        image: quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:c96d46d62085af77d8e5a5d292fcf7a45e49bccdcde3d803331fb7cc093bb291
        imagePullPolicy: IfNotPresent
        name: machine-config-daemon
        resources:
          requests:
            cpu: 20m
            memory: 50Mi
        securityContext:
          privileged: true
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: FallbackToLogsOnError
        volumeMounts:
        - mountPath: /rootfs
          name: rootfs
      - args:
        - --https-address=:9001
        - --provider=openshift
        - --openshift-service-account=machine-config-daemon
        - --upstream=http://127.0.0.1:8797
        - --tls-cert=/etc/tls/private/tls.crt
        - --tls-key=/etc/tls/private/tls.key
        - --cookie-secret-file=/etc/tls/cookie-secret/cookie-secret
        - '--openshift-sar={"resource": "namespaces", "verb": "get"}'
        - '--openshift-delegate-urls={"/": {"resource": "namespaces", "verb": "get"}}'
        image: quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:dc5f074db5fd073b9778958c8396e46d2020ef3636ada76ca99cb924aee42734
        imagePullPolicy: IfNotPresent
        name: oauth-proxy
        ports:
        - containerPort: 9001
          hostPort: 9001
          name: metrics
          protocol: TCP
        resources:
          requests:
            cpu: 20m
            memory: 50Mi
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: File
        volumeMounts:
        - mountPath: /etc/tls/private
          name: proxy-tls
        - mountPath: /etc/tls/cookie-secret
          name: cookie-secret
      dnsPolicy: ClusterFirst
      hostNetwork: true
      hostPID: true
      nodeSelector:
        kubernetes.io/os: linux
      priorityClassName: system-node-critical
      restartPolicy: Always
      schedulerName: default-scheduler
      securityContext: {}
      serviceAccount: machine-config-daemon
      serviceAccountName: machine-config-daemon
      terminationGracePeriodSeconds: 600
      tolerations:
      - operator: Exists
      volumes:
      - hostPath:
          path: /
          type: ""
        name: rootfs
      - name: proxy-tls
        secret:
          defaultMode: 420
          secretName: proxy-tls
      - name: cookie-secret
        secret:
          defaultMode: 420
          secretName: cookie-secret
  updateStrategy:
    rollingUpdate:
      maxUnavailable: 1
    type: RollingUpdate
status:
  currentNumberScheduled: 6
  desiredNumberScheduled: 6
  numberAvailable: 6
  numberMisscheduled: 0
  numberReady: 6
  observedGeneration: 1
  updatedNumberScheduled: 6

$ oc adm taint node ip-10-0-192-187.us-west-2.compute.internal infra=reserved:NoExecute; oc adm taint node ip-10-0-192-187.us-west-2.compute.internal infra=reserved:NoSchedule
node/ip-10-0-192-187.us-west-2.compute.internal tainted
node/ip-10-0-192-187.us-west-2.compute.internal tainted
$ oc get node/ip-10-0-192-187.us-west-2.compute.internal -o yaml
apiVersion: v1
kind: Node
metadata:
  annotations:
    machine.openshift.io/machine: openshift-machine-api/mnguyen46-clbq2-worker-us-west-2c-6czlq
    machineconfiguration.openshift.io/currentConfig: rendered-worker-55ee30d203654c470ba6ceb25267baad
    machineconfiguration.openshift.io/desiredConfig: rendered-worker-55ee30d203654c470ba6ceb25267baad
    machineconfiguration.openshift.io/reason: ""
    machineconfiguration.openshift.io/state: Done
    volumes.kubernetes.io/controller-managed-attach-detach: "true"
  creationTimestamp: "2020-06-24T12:33:55Z"
  labels:
    beta.kubernetes.io/arch: amd64
    beta.kubernetes.io/instance-type: m5.large
    beta.kubernetes.io/os: linux
    failure-domain.beta.kubernetes.io/region: us-west-2
    failure-domain.beta.kubernetes.io/zone: us-west-2c
    kubernetes.io/arch: amd64
    kubernetes.io/hostname: ip-10-0-192-187
    kubernetes.io/os: linux
    node-role.kubernetes.io/worker: ""
    node.kubernetes.io/instance-type: m5.large
    node.openshift.io/os_id: rhcos
    topology.kubernetes.io/region: us-west-2
    topology.kubernetes.io/zone: us-west-2c
  managedFields:
  - apiVersion: v1
    fieldsType: FieldsV1
    fieldsV1:
      f:metadata:
        f:annotations:
          f:machine.openshift.io/machine: {}
    manager: nodelink-controller
    operation: Update
    time: "2020-06-24T12:33:56Z"
  - apiVersion: v1
    fieldsType: FieldsV1
    fieldsV1:
      f:metadata:
        f:annotations:
          f:machineconfiguration.openshift.io/desiredConfig: {}
    manager: machine-config-controller
    operation: Update
    time: "2020-06-24T13:28:28Z"
  - apiVersion: v1
    fieldsType: FieldsV1
    fieldsV1:
      f:spec:
        f:podCIDR: {}
        f:podCIDRs:
          .: {}
          v:"10.128.4.0/24": {}
    manager: kube-controller-manager
    operation: Update
    time: "2020-06-24T13:28:30Z"
  - apiVersion: v1
    fieldsType: FieldsV1
    fieldsV1:
      f:metadata:
        f:annotations:
          f:machineconfiguration.openshift.io/currentConfig: {}
          f:machineconfiguration.openshift.io/reason: {}
          f:machineconfiguration.openshift.io/state: {}
    manager: machine-config-daemon
    operation: Update
    time: "2020-06-24T13:33:28Z"
  - apiVersion: v1
    fieldsType: FieldsV1
    fieldsV1:
      f:metadata:
        f:annotations:
          .: {}
          f:volumes.kubernetes.io/controller-managed-attach-detach: {}
        f:labels:
          .: {}
          f:beta.kubernetes.io/arch: {}
          f:beta.kubernetes.io/instance-type: {}
          f:beta.kubernetes.io/os: {}
          f:failure-domain.beta.kubernetes.io/region: {}
          f:failure-domain.beta.kubernetes.io/zone: {}
          f:kubernetes.io/arch: {}
          f:kubernetes.io/hostname: {}
          f:kubernetes.io/os: {}
          f:node-role.kubernetes.io/worker: {}
          f:node.kubernetes.io/instance-type: {}
          f:node.openshift.io/os_id: {}
          f:topology.kubernetes.io/region: {}
          f:topology.kubernetes.io/zone: {}
      f:spec:
        f:providerID: {}
      f:status:
        f:addresses:
          .: {}
          k:{"type":"Hostname"}:
            .: {}
            f:address: {}
            f:type: {}
          k:{"type":"InternalDNS"}:
            .: {}
            f:address: {}
            f:type: {}
          k:{"type":"InternalIP"}:
            .: {}
            f:address: {}
            f:type: {}
        f:allocatable:
          .: {}
          f:attachable-volumes-aws-ebs: {}
          f:cpu: {}
          f:ephemeral-storage: {}
          f:hugepages-1Gi: {}
          f:hugepages-2Mi: {}
          f:memory: {}
          f:pods: {}
        f:capacity:
          .: {}
          f:attachable-volumes-aws-ebs: {}
          f:cpu: {}
          f:ephemeral-storage: {}
          f:hugepages-1Gi: {}
          f:hugepages-2Mi: {}
          f:memory: {}
          f:pods: {}
        f:conditions:
          .: {}
          k:{"type":"DiskPressure"}:
            .: {}
            f:lastHeartbeatTime: {}
            f:lastTransitionTime: {}
            f:message: {}
            f:reason: {}
            f:status: {}
            f:type: {}
          k:{"type":"MemoryPressure"}:
            .: {}
            f:lastHeartbeatTime: {}
            f:lastTransitionTime: {}
            f:message: {}
            f:reason: {}
            f:status: {}
            f:type: {}
          k:{"type":"PIDPressure"}:
            .: {}
            f:lastHeartbeatTime: {}
            f:lastTransitionTime: {}
            f:message: {}
            f:reason: {}
            f:status: {}
            f:type: {}
          k:{"type":"Ready"}:
            .: {}
            f:lastHeartbeatTime: {}
            f:lastTransitionTime: {}
            f:message: {}
            f:reason: {}
            f:status: {}
            f:type: {}
        f:daemonEndpoints:
          f:kubeletEndpoint:
            f:Port: {}
        f:images: {}
        f:nodeInfo:
          f:architecture: {}
          f:bootID: {}
          f:containerRuntimeVersion: {}
          f:kernelVersion: {}
          f:kubeProxyVersion: {}
          f:kubeletVersion: {}
          f:machineID: {}
          f:operatingSystem: {}
          f:osImage: {}
          f:systemUUID: {}
    manager: kubelet
    operation: Update
    time: "2020-06-24T15:08:26Z"
  - apiVersion: v1
    fieldsType: FieldsV1
    fieldsV1:
      f:spec:
        f:taints: {}
    manager: oc
    operation: Update
    time: "2020-06-24T15:12:07Z"
  name: ip-10-0-192-187.us-west-2.compute.internal
  resourceVersion: "118463"
  selfLink: /api/v1/nodes/ip-10-0-192-187.us-west-2.compute.internal
  uid: be2ae7c9-895d-4ae5-8485-6d2588e281f2
spec:
  podCIDR: 10.128.4.0/24
  podCIDRs:
  - 10.128.4.0/24
  providerID: aws:///us-west-2c/i-089f07959ebbb8046
  taints:
  - effect: NoSchedule
    key: infra
    value: reserved
  - effect: NoExecute
    key: infra
    value: reserved
status:
  addresses:
  - address: 10.0.192.187
    type: InternalIP
  - address: ip-10-0-192-187.us-west-2.compute.internal
    type: Hostname
  - address: ip-10-0-192-187.us-west-2.compute.internal
    type: InternalDNS
  allocatable:
    attachable-volumes-aws-ebs: "25"
    cpu: 1500m
    ephemeral-storage: "114381692328"
    hugepages-1Gi: "0"
    hugepages-2Mi: "0"
    memory: 6785784Ki
    pods: "250"
  capacity:
    attachable-volumes-aws-ebs: "25"
    cpu: "2"
    ephemeral-storage: 125277164Ki
    hugepages-1Gi: "0"
    hugepages-2Mi: "0"
    memory: 7936760Ki
    pods: "250"
  conditions:
  - lastHeartbeatTime: "2020-06-24T15:08:26Z"
    lastTransitionTime: "2020-06-24T12:33:55Z"
    message: kubelet has sufficient memory available
    reason: KubeletHasSufficientMemory
    status: "False"
    type: MemoryPressure
  - lastHeartbeatTime: "2020-06-24T15:08:26Z"
    lastTransitionTime: "2020-06-24T12:33:55Z"
    message: kubelet has no disk pressure
    reason: KubeletHasNoDiskPressure
    status: "False"
    type: DiskPressure
  - lastHeartbeatTime: "2020-06-24T15:08:26Z"
    lastTransitionTime: "2020-06-24T12:33:55Z"
    message: kubelet has sufficient PID available
    reason: KubeletHasSufficientPID
    status: "False"
    type: PIDPressure
  - lastHeartbeatTime: "2020-06-24T15:08:26Z"
    lastTransitionTime: "2020-06-24T12:35:26Z"
    message: kubelet is posting ready status
    reason: KubeletReady
    status: "True"
    type: Ready
  daemonEndpoints:
    kubeletEndpoint:
      Port: 10250
  images:
  - names:
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:769432fdae52f909658c471bf9aa8d0f00fb398bb4976bec084c75037d87fa60
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:<none>
    sizeBytes: 1231206281
  - names:
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:3803cac3f455ceaf28f3cf4d54eb9f59abe637fc2d72c55a862ac38e86867b80
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:<none>
    sizeBytes: 469491383
  - names:
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:24253e74e3605ea85550043f6e60f7a093322720db10d14748f38758d457dbc0
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:<none>
    sizeBytes: 467404413
  - names:
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:14fc53788f079e5488ebd6b28ee0aa711da4cd350b38e47977a64bd1849ce1fb
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:<none>
    sizeBytes: 429941173
  - names:
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:c96d46d62085af77d8e5a5d292fcf7a45e49bccdcde3d803331fb7cc093bb291
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:<none>
    sizeBytes: 427656308
  - names:
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:c3100d82504baa06eedeb04fd7975309a26fb0b018ec0ef5450db5fac0ca2377
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:<none>
    sizeBytes: 365617141
  - names:
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:b75f3665ee9a0997ba358645d3ccfa251b8c7e054ca205c46c99b0c02733bfac
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:<none>
    sizeBytes: 342695679
  - names:
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:c074911aad91a9ea7f76c639d274342559ae3cd66eec7227a5aa97e16f195cea
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:<none>
    sizeBytes: 339758252
  - names:
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:e28b037e24caedb67a710a14c0f12eb18da4a5e0f387734244644ac460e9b4ec
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:<none>
    sizeBytes: 334996356
  - names:
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:0c59497362e2f48263eed3334504917ab09184cffb9a89fafa8d672495c2eae3
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:<none>
    sizeBytes: 328353707
  - names:
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:35f0a5a3d5bc51bf8fa36a24b19dc9d228d0d22bae8d4cabf2f9931aad117cb8
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:<none>
    sizeBytes: 325492179
  - names:
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:f8110c86aa7b083d282c15d8b4385c8f3c97fe7cd369f88e3a296a928a532f5d
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:<none>
    sizeBytes: 319513399
  - names:
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:cec1abdf919e4369359fbd313d9b1a1683e2c7ec350c099d0c35b843813ae5b9
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:<none>
    sizeBytes: 305796978
  - names:
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:5d74cab786393064a4adebe8f2800b11c882184d7fd2f32f13b00ab369384486
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:<none>
    sizeBytes: 304698519
  - names:
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:4307c0005681eff4859d03233d25b083efb25c09470354b4c16315e6e90e22ce
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:<none>
    sizeBytes: 302616144
  - names:
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:db64b2bdc80ee3cc1b9b783965d43379fdbd80172390d0a0fb0fcbddc62260b8
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:<none>
    sizeBytes: 291056751
  - names:
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:3c2aca69defe14789e920a5bf8019d6067008658e212b3fb160a8fd2ecb00d75
    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:<none>
    sizeBytes: 290286086
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    sizeBytes: 288703578
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    sizeBytes: 281435470
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    sizeBytes: 277404760
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    sizeBytes: 277227537
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    sizeBytes: 267697621
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    sizeBytes: 258267683
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    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:<none>
    sizeBytes: 257280584
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    sizeBytes: 255896460
  - names:
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    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:<none>
    sizeBytes: 251102117
  - names:
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    - quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:<none>
    sizeBytes: 241981432
  - names:
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    sizeBytes: 237383939
  nodeInfo:
    architecture: amd64
    bootID: 99a3774a-1449-4880-8d21-e64df733c944
    containerRuntimeVersion: cri-o://1.19.0-26.dev.rhaos4.6.git44d065f.el8-dev
    kernelVersion: 4.18.0-211.el8.x86_64
    kubeProxyVersion: v1.18.3+314a8f2
    kubeletVersion: v1.18.3+314a8f2
    machineID: ec26d7691c9c73560ed77a3580e083cf
    operatingSystem: linux
    osImage: Red Hat Enterprise Linux CoreOS 46.82.202006231340-0 (Ootpa)
    systemUUID: ec26d769-1c9c-7356-0ed7-7a3580e083cf
$  oc get pods -n openshift-machine-config-operator  --field-selector spec.nodeName=ip-10-0-192-187.us-west-2.compute.internal
NAME                          READY   STATUS    RESTARTS   AGE
machine-config-daemon-lw8kf   2/2     Running   0          160m
$  oc  -n openshift-machine-config-operator  get ds
NAME                    DESIRED   CURRENT   READY   UP-TO-DATE   AVAILABLE   NODE SELECTOR                     AGE
machine-config-daemon   6         6         6       6            6           kubernetes.io/os=linux            169m
machine-config-server   3         3         3       3            3           node-role.kubernetes.io/master=   168m

For reference, here are the backports/cherry pick of https://github.com/openshift/machine-config-operator/pull/1760
OCP 4.3: https://github.com/openshift/machine-config-operator/pull/1816 - Bug 1846358 
OCP 4.4: https://github.com/openshift/machine-config-operator/pull/1815 - Bug 1846357 
OCP 4.5: https://github.com/openshift/machine-config-operator/pull/1814 - Bug 1846354

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (OpenShift Container Platform 4.6 GA Images), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2020:4196